Site Type
Patch Reef
Depth Range
25-35 ft
Visibility
25-35ft
Current
Very gentle — minimal surge or drift
Certification
Open Water
Distance from Marina
~4 nautical miles

Ham is a compact patch reef at 25 to 35 feet with a porous, swiss cheese-like coral structure that creates more hiding spots per square foot than almost any site IDC visits. Dense schools of Grunts and Goatfish fill the water column, juvenile fish pack every crevice, and the outer ledge undercuts are reliably stocked with Nurse Sharks and Eels.
Ham doesn't announce itself. It's a small, relatively shallow patch reef. The kind that gets skipped when the conditions are good enough to make it to a wall or a wreck. That's a mistake.
The coral structure here is what makes it worth the dive. Where most patch reefs in the area build upward in solid heads and spurs, Ham is riddled with holes — pitted, porous, chambered coral that the crew describes as swiss cheese, and the comparison is accurate. Every opening is an address. Juvenile fish of a dozen species pack the smaller cavities. Larger crevices shelter Grouper and the occasional Lobster pushed back into the dark. The structural complexity of the reef means there's always something to look at in a tight space, which rewards the kind of slow, deliberate diving that most divers need more practice at anyway.
The outer perimeter is where Ham shows its other face. A ledge system runs around the edge of the reef with genuine undercuts — low horizontal overhangs that Nurse Sharks have claimed as their own. Moray Eels work the same ledge edges. The combination of a porous center teeming with small life and a ledge rim populated by larger, more stationary animals gives Ham an unusually layered structure for a reef this size.
Schools of French Grunts and Goatfish aggregate here in numbers that can fill your field of vision. It's a consistently productive dive that earns its place on IDC's rotation.
Year-round
Calm and shallow — excellent for all experience levels, macro photographers, and divers interested in juvenile reef fish
Very gentle — minimal surge or drift
75–85°F depending on season
Morning and afternoon charters run year-round from Three Waters Marina. Whether you're booking a charter, a course, or just have questions — we're here.